#include<stdio.h>

void fun(int n1,int n2,int *gcd,int *lcm){
    int itr;
    for(itr=1;itr<=n1&&itr<=n2;itr++){
        if(n1%itr==0 && n2 % itr ==0){
            *gcd = itr;
        }
    }
    *lcm = (n1*n2) / *gcd;
}
    int main(){
        int num1,num2,gcd,lcd;
        scanf("%d%d",&num1,&num2)
        if(num1<=0 || num<=2){
            printf("invalid input");
            return 0;
        }
        fun(num1,num2,&gcd,&lcm);
        printf("%d  %d ,gcd,lcm")
        return 0;
    }
}